{
  "area": {
    "code": "39000",
    "name": "高知県",
    "slug": "kochi"
  },
  "structure": {
    "id": "steel",
    "name": "鉄骨造"
  },
  "segment": {
    "segment": "rental",
    "building_type": "apartment",
    "label": "貸家・共同住宅"
  },
  "unit": {
    "price_per_tsubo": "万円/坪",
    "price_per_sqm": "円/㎡",
    "cost": "万円",
    "floor": "㎡",
    "yoy": "%"
  },
  "formula": "price_per_tsubo = cost_total / floor_total * 3.30579",
  "formula_real": "price_per_tsubo_real = price_per_tsubo / deflator * 100 (MLIT construction cost deflator for housing of the same structure, FY2020 = 100)",
  "source": "https://www.e-stat.go.jp/stat-search/files?page=1&toukei=00600120&tstat=000001016966&cycle=8",
  "last_verified_at": "2026-10-13T11:03:37.415Z",
  "provisional": {
    "fiscal_year": 2026,
    "through_month": "2026-08",
    "months": 5,
    "units": 44,
    "price_per_tsubo": 92.66623937007874,
    "prev_price_per_tsubo": 91.20925544554456,
    "change_vs_prev": 1.5974079795049647,
    "note": "Sum of monthly preliminary releases from April; replaced by the annual report."
  },
  "years": [
    {
      "fiscal_year": 2012,
      "units": 119,
      "floor_total": 6427,
      "cost_total": 106076,
      "price_per_tsubo": 54.56122297183756,
      "price_per_sqm": 165047.45604481094,
      "cost_per_unit": 891.3949579831933,
      "floor_per_unit": 54.00840336134454,
      "yoy": null,
      "ratio_national": 0.8673722603278057,
      "rank_in_national": 28,
      "is_spliced": false,
      "price_per_tsubo_real": 62.14262297475804,
      "deflator": 87.8,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2013,
      "units": 141,
      "floor_total": 7013,
      "cost_total": 121608,
      "price_per_tsubo": 57.32361476115784,
      "price_per_sqm": 173403.67888207614,
      "cost_per_unit": 862.468085106383,
      "floor_per_unit": 49.737588652482266,
      "yoy": 5.062921318215552,
      "ratio_national": 0.8809502075458001,
      "rank_in_national": 27,
      "is_spliced": false,
      "price_per_tsubo_real": 63.481300953663165,
      "deflator": 90.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2014,
      "units": 168,
      "floor_total": 9626,
      "cost_total": 181204,
      "price_per_tsubo": 62.229625094535635,
      "price_per_sqm": 188244.33825057137,
      "cost_per_unit": 1078.595238095238,
      "floor_per_unit": 57.29761904761905,
      "yoy": 8.558445509444867,
      "ratio_national": 0.9047830298520604,
      "rank_in_national": 23,
      "is_spliced": false,
      "price_per_tsubo_real": 66.4846421950167,
      "deflator": 93.6,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2015,
      "units": 165,
      "floor_total": 7779,
      "cost_total": 156331,
      "price_per_tsubo": 66.43494748553799,
      "price_per_sqm": 200965.41971975833,
      "cost_per_unit": 947.4606060606061,
      "floor_per_unit": 47.14545454545455,
      "yoy": 6.757749841195215,
      "ratio_national": 0.9404847985162254,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 71.12949409586507,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2016,
      "units": 176,
      "floor_total": 8773,
      "cost_total": 179070,
      "price_per_tsubo": 67.47609886013906,
      "price_per_sqm": 204114.89798244613,
      "cost_per_unit": 1017.4431818181819,
      "floor_per_unit": 49.84659090909091,
      "yoy": 1.5671742268295041,
      "ratio_national": 0.9324089149038838,
      "rank_in_national": 20,
      "is_spliced": false,
      "price_per_tsubo_real": 72.2442171950097,
      "deflator": 93.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2017,
      "units": 213,
      "floor_total": 12030,
      "cost_total": 261370,
      "price_per_tsubo": 71.8233027680798,
      "price_per_sqm": 217265.17040731505,
      "cost_per_unit": 1227.0892018779343,
      "floor_per_unit": 56.478873239436616,
      "yoy": 6.442583346365938,
      "ratio_national": 0.9592686434832247,
      "rank_in_national": 11,
      "is_spliced": false,
      "price_per_tsubo_real": 75.4446457647897,
      "deflator": 95.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2018,
      "units": 282,
      "floor_total": 12975,
      "cost_total": 295624,
      "price_per_tsubo": 75.31952701040463,
      "price_per_sqm": 227841.2331406551,
      "cost_per_unit": 1048.3120567375886,
      "floor_per_unit": 46.01063829787234,
      "yoy": 4.8678132410789665,
      "ratio_national": 0.9922712309336572,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 76.77831499531564,
      "deflator": 98.1,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2019,
      "units": 222,
      "floor_total": 10778,
      "cost_total": 241656,
      "price_per_tsubo": 74.11987272592317,
      "price_per_sqm": 224212.2842827983,
      "cost_per_unit": 1088.5405405405406,
      "floor_per_unit": 48.549549549549546,
      "yoy": -1.5927533431214114,
      "ratio_national": 0.9453199843475472,
      "rank_in_national": 13,
      "is_spliced": false,
      "price_per_tsubo_real": 73.9719288681868,
      "deflator": 100.2,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2020,
      "units": 158,
      "floor_total": 9261,
      "cost_total": 206243,
      "price_per_tsubo": 73.62013248785227,
      "price_per_sqm": 222700.57229240902,
      "cost_per_unit": 1305.3354430379748,
      "floor_per_unit": 58.61392405063291,
      "yoy": -0.6742324557393875,
      "ratio_national": 0.9106558772108468,
      "rank_in_national": 18,
      "is_spliced": false,
      "price_per_tsubo_real": 73.62013248785227,
      "deflator": 100,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2021,
      "units": 250,
      "floor_total": 13742,
      "cost_total": 333204,
      "price_per_tsubo": 80.15590533837869,
      "price_per_sqm": 242471.25600349295,
      "cost_per_unit": 1332.816,
      "floor_per_unit": 54.968,
      "yoy": 8.8776977569347,
      "ratio_national": 0.9673784817028129,
      "rank_in_national": 10,
      "is_spliced": false,
      "price_per_tsubo_real": 74.01283964762575,
      "deflator": 108.3,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2022,
      "units": 70,
      "floor_total": 3550,
      "cost_total": 89470,
      "price_per_tsubo": 83.31522008450705,
      "price_per_sqm": 252028.1690140845,
      "cost_per_unit": 1278.142857142857,
      "floor_per_unit": 50.714285714285715,
      "yoy": 3.9414622450975934,
      "ratio_national": 0.9432228012223564,
      "rank_in_national": 16,
      "is_spliced": false,
      "price_per_tsubo_real": 71.57664955713663,
      "deflator": 116.4,
      "deflator_provisional": false
    },
    {
      "fiscal_year": 2023,
      "units": 72,
      "floor_total": 4314,
      "cost_total": 116600,
      "price_per_tsubo": 89.34981780250348,
      "price_per_sqm": 270282.8001854427,
      "cost_per_unit": 1619.4444444444443,
      "floor_per_unit": 59.916666666666664,
      "yoy": 7.243091612643537,
      "ratio_national": 0.9076979125994505,
      "rank_in_national": 32,
      "is_spliced": false,
      "price_per_tsubo_real": 76.36736564316536,
      "deflator": 117,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2024,
      "units": 76,
      "floor_total": 3944,
      "cost_total": 108300,
      "price_per_tsubo": 90.77511587221096,
      "price_per_sqm": 274594.3204868154,
      "cost_per_unit": 1425,
      "floor_per_unit": 51.89473684210526,
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      "ratio_national": 0.844385499963398,
      "rank_in_national": 39,
      "is_spliced": true,
      "price_per_tsubo_real": 74.77357155865812,
      "deflator": 121.4,
      "deflator_provisional": true
    },
    {
      "fiscal_year": 2025,
      "units": 70,
      "floor_total": 3644,
      "cost_total": 100995,
      "price_per_tsubo": 91.62136691822172,
      "price_per_sqm": 277154.22612513724,
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      "is_spliced": false,
      "price_per_tsubo_real": 73.70986879985658,
      "deflator": 124.3,
      "deflator_provisional": true
    }
  ]
}